removed stray return from SetFont()

[wxWidgets.git] / src / dfb / window.cpp

diff --git a/src/dfb/window.cpp b/src/dfb/window.cpp
index d79093378a3bfd13b2f994f0a16061adf69dac6b..c115e67ab9d9b49e78933bf2f31414ed07b0a400 100644 (file)
--- a/src/dfb/window.cpp
+++ b/src/dfb/window.cpp
@@ -28,11 +28,14 @@
 
 #ifndef WX_PRECOMP
     #include "wx/dcclient.h"
 
 #ifndef WX_PRECOMP
     #include "wx/dcclient.h"

+    #include "wx/nonownedwnd.h"

 #endif
 
 #include "wx/caret.h"
 #endif
 
 #include "wx/caret.h"

+#include "wx/dynarray.h"

 
 #include "wx/dfb/private.h"
 
 #include "wx/dfb/private.h"

+#include "wx/private/overlay.h"

 
 #define TRACE_EVENTS _T("events")
 #define TRACE_PAINT  _T("paint")
 
 #define TRACE_EVENTS _T("events")
 #define TRACE_PAINT  _T("paint")


@@ -53,6 +56,12 @@ static wxWindow *gs_toBeFocusedWindow = NULL;
 // the window that has mouse capture
 static wxWindowDFB *gs_mouseCapture = NULL;
 
 // the window that has mouse capture
 static wxWindowDFB *gs_mouseCapture = NULL;
 

+// ---------------------------------------------------------------------------
+// overlays support
+// ---------------------------------------------------------------------------
+
+WX_DEFINE_ARRAY_PTR(wxOverlayImpl*, wxDfbOverlaysList);
+

 // ---------------------------------------------------------------------------
 // event tables
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // event tables
 // ---------------------------------------------------------------------------


@@ -72,6 +81,7 @@ void wxWindowDFB::Init()
     m_isShown = true;
     m_frozenness = 0;
     m_tlw = NULL;
     m_isShown = true;
     m_frozenness = 0;
     m_tlw = NULL;

+    m_overlays = NULL;

 }
 
 // Destructor
 }
 
 // Destructor


@@ -104,7 +114,7 @@ wxWindowDFB::~wxWindowDFB()
 #endif
 
     if ( gs_focusedWindow == this )
 #endif
 
     if ( gs_focusedWindow == this )

-        KillFocus();
+        DFBKillFocus();

 
     DestroyChildren();
 }
 
     DestroyChildren();
 }


@@ -126,6 +136,10 @@ bool wxWindowDFB::Create(wxWindow *parent,
     if ( parent )
         parent->AddChild(this);
 
     if ( parent )
         parent->AddChild(this);
 

+    // set the size to something bogus initially, in case some code tries to
+    // create wxWindowDC before SetSize() is called below:
+    m_rect.width = m_rect.height = 1;
+

     int x, y, w, h;
     x = pos.x, y = pos.y;
     if ( x == -1  ) x = 0;
     int x, y, w, h;
     x = pos.x, y = pos.y;
     if ( x == -1  ) x = 0;


@@ -169,6 +183,14 @@ wxIDirectFBSurfacePtr wxWindowDFB::GetDfbSurface()
 void wxWindowDFB::InvalidateDfbSurface()
 {
     m_surface = NULL;
 void wxWindowDFB::InvalidateDfbSurface()
 {
     m_surface = NULL;

+
+    // surfaces of the children are subsurfaces of this window's surface,
+    // so they must be invalidated as well:
+    wxWindowList& children = GetChildren();
+    for ( wxWindowList::iterator i = children.begin(); i != children.end(); ++i )
+    {
+        (*i)->InvalidateDfbSurface();
+    }

 }
 
 // ---------------------------------------------------------------------------
 }
 
 // ---------------------------------------------------------------------------


@@ -177,26 +199,29 @@ void wxWindowDFB::InvalidateDfbSurface()
 
 void wxWindowDFB::SetFocus()
 {
 
 void wxWindowDFB::SetFocus()
 {

-    if ( gs_focusedWindow == this ) return;
+    if ( gs_focusedWindow == this )
+        return; // nothing to do, focused already

 
     wxWindowDFB *oldFocusedWindow = gs_focusedWindow;
 
     if ( gs_focusedWindow )
     {
         gs_toBeFocusedWindow = (wxWindow*)this;
 
     wxWindowDFB *oldFocusedWindow = gs_focusedWindow;
 
     if ( gs_focusedWindow )
     {
         gs_toBeFocusedWindow = (wxWindow*)this;

-        gs_focusedWindow->KillFocus();
+        gs_focusedWindow->DFBKillFocus();

         gs_toBeFocusedWindow = NULL;
     }
 
         gs_toBeFocusedWindow = NULL;
     }
 

-#warning "FIXME: implement in terms of DWET_{GOT,LOST}FOCUS"
-
-    wxIDirectFBWindowPtr dfbwin(m_tlw->GetDirectFBWindow());
-#warning "FIXME: RequestFocus() may only be called on visible TLW"
-    if ( !dfbwin->RequestFocus() )
-        return;
-

     gs_focusedWindow = this;
 
     gs_focusedWindow = this;
 

+    if ( IsShownOnScreen() )
+    {
+        m_tlw->SetDfbFocus();
+    }
+    // else: do nothing, because DirectFB windows cannot have focus if they
+    //       are hidden; when the TLW becomes visible, it will set the focus
+    //       to use from wxTLW::Show()
+
+    #warning "FIXME: implement in terms of DWET_{GOT,LOST}FOCUS"

     #warning "FIXME: keep this or not? not, think multiapp core"
 #if 0
     wxWindowDFB *active = wxGetTopLevelParent((wxWindow*)this);
     #warning "FIXME: keep this or not? not, think multiapp core"
 #if 0
     wxWindowDFB *active = wxGetTopLevelParent((wxWindow*)this);


@@ -216,6 +241,11 @@ void wxWindowDFB::SetFocus()
     }
 #endif
 
     }
 #endif
 

+    // notify the parent keeping track of focus for the kbd navigation
+    // purposes that we got it
+    wxChildFocusEvent eventFocus((wxWindow*)this);
+    GetEventHandler()->ProcessEvent(eventFocus);
+

     wxFocusEvent event(wxEVT_SET_FOCUS, GetId());
     event.SetEventObject(this);
     event.SetWindow((wxWindow*)oldFocusedWindow);
     wxFocusEvent event(wxEVT_SET_FOCUS, GetId());
     event.SetEventObject(this);
     event.SetWindow((wxWindow*)oldFocusedWindow);


@@ -229,12 +259,15 @@ void wxWindowDFB::SetFocus()
 #endif // wxUSE_CARET
 }
 
 #endif // wxUSE_CARET
 }
 

-void wxWindowDFB::KillFocus()
+void wxWindowDFB::DFBKillFocus()

 {
 {

-    if ( gs_focusedWindow != this ) return;
+    wxCHECK_RET( gs_focusedWindow == this,
+                 _T("killing focus on window that doesn't have it") );
+

     gs_focusedWindow = NULL;
 
     gs_focusedWindow = NULL;
 

-    if ( m_isBeingDeleted ) return;
+    if ( m_isBeingDeleted )
+        return; // don't send any events from dtor

 
 #if wxUSE_CARET
     // caret needs to be informed about focus change
 
 #if wxUSE_CARET
     // caret needs to be informed about focus change


@@ -366,7 +399,7 @@ void wxWindowDFB::WarpPointer(int x, int y)
     if ( x >= w ) x = w-1;
     if ( y >= h ) y = h-1;
 
     if ( x >= w ) x = w-1;
     if ( y >= h ) y = h-1;
 

-    wxIDirectFBDisplayLayerPtr layer(wxDfbGetDisplayLayer());
+    wxIDirectFBDisplayLayerPtr layer(wxIDirectFB::Get()->GetDisplayLayer());

     wxCHECK_RET( layer, _T("no display layer") );
 
     layer->WarpCursor(x, y);
     wxCHECK_RET( layer, _T("no display layer") );
 
     layer->WarpCursor(x, y);


@@ -437,10 +470,21 @@ void wxWindowDFB::DoGetClientSize(int *x, int *y) const
 
 void wxWindowDFB::DoMoveWindow(int x, int y, int width, int height)
 {
 
 void wxWindowDFB::DoMoveWindow(int x, int y, int width, int height)
 {

+    // NB: [x,y] arguments are in (parent's) window coordinates, while
+    //     m_rect.{x,y} are in (parent's) client coordinates. That's why we
+    //     offset by parentOrigin in some places below
+
+    wxPoint parentOrigin(0, 0);
+    AdjustForParentClientOrigin(parentOrigin.x, parentOrigin.y);
+

     wxRect oldpos(m_rect);
     wxRect oldpos(m_rect);

+    oldpos.Offset(parentOrigin);
+

     wxRect newpos(x, y, width, height);
 
     wxRect newpos(x, y, width, height);
 

+    // input [x,y] is in window coords, but we store client coords in m_rect:

     m_rect = newpos;
     m_rect = newpos;

+    m_rect.Offset(-parentOrigin);

 
     // window's position+size changed and so did the subsurface that covers it
     InvalidateDfbSurface();
 
     // window's position+size changed and so did the subsurface that covers it
     InvalidateDfbSurface();


@@ -449,9 +493,15 @@ void wxWindowDFB::DoMoveWindow(int x, int y, int width, int height)
     {
         // queue both former and new position of the window for repainting:
         wxWindow *parent = GetParent();
     {
         // queue both former and new position of the window for repainting:
         wxWindow *parent = GetParent();

-        wxPoint origin(parent->GetClientAreaOrigin());
-        oldpos.Offset(origin);
-        newpos.Offset(origin);
+
+        // only refresh the visible parts:
+        if ( !CanBeOutsideClientArea() )
+        {
+            wxRect parentClient(parent->GetClientSize());
+            oldpos.Intersect(parentClient);
+            newpos.Intersect(parentClient);
+        }
+

         parent->RefreshRect(oldpos);
         parent->RefreshRect(newpos);
     }
         parent->RefreshRect(oldpos);
         parent->RefreshRect(newpos);
     }


@@ -485,8 +535,6 @@ void wxWindowDFB::DoSetSize(int x, int y, int width, int height, int sizeFlags)
         return;
     }
 
         return;
     }
 

-    AdjustForParentClientOrigin(x, y, sizeFlags);
-

     wxSize size(-1, -1);
     if ( width == -1 )
     {
     wxSize size(-1, -1);
     if ( width == -1 )
     {


@@ -534,6 +582,7 @@ void wxWindowDFB::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     if ( m_rect.x != x || m_rect.y != y ||
          m_rect.width != width || m_rect.height != height )
     {
     if ( m_rect.x != x || m_rect.y != y ||
          m_rect.width != width || m_rect.height != height )
     {

+        AdjustForParentClientOrigin(x, y, sizeFlags);

         DoMoveWindow(x, y, width, height);
 
         wxSize newSize(width, height);
         DoMoveWindow(x, y, width, height);
 
         wxSize newSize(width, height);


@@ -586,34 +635,69 @@ void wxWindowDFB::Clear()
     dc.Clear();
 }
 
     dc.Clear();
 }
 

-void wxWindowDFB::Refresh(bool eraseBack, const wxRect *rect)
+void wxWindowDFB::Refresh(bool WXUNUSED(eraseBack), const wxRect *rect)

 {
     if ( !IsShown() || IsFrozen() )
         return;
 
 {
     if ( !IsShown() || IsFrozen() )
         return;
 

+    // NB[1]: We intentionally ignore the eraseBack argument here. This is
+    //        because of the way wxDFB's painting is implemented: the refresh
+    //        request is propagated up to wxTLW, which is then painted in
+    //        top-down order. This means that this window's area is first
+    //        painted by its parent and this window is then painted over it, so
+    //        it's not safe to not paint this window's background even if
+    //        eraseBack=false.
+    // NB[2]: wxWindow::Refresh() takes the rectangle in client coords, but
+    //        wxUniv translates it to window coords before passing it to
+    //        wxWindowDFB::Refresh(), so we can directly pass the rect to
+    //        DoRefreshRect (which takes window, not client, coords) here.

     if ( rect )
     if ( rect )

-        DoRefreshRect(*rect, eraseBack);
+        DoRefreshRect(*rect);

     else
     else

-        DoRefreshWindow(eraseBack);
+        DoRefreshWindow();

 }
 
 }
 

-void wxWindowDFB::DoRefreshWindow(bool eraseBack)
+void wxWindowDFB::RefreshWindowRect(const wxRect& rect)

 {
 {

-    DoRefreshRect(wxRect(wxPoint(0, 0), GetSize()), eraseBack);
+    if ( !IsShown() || IsFrozen() )
+        return;
+
+    DoRefreshRect(rect);

 }
 
 }
 

-void wxWindowDFB::DoRefreshRect(const wxRect& rect, bool eraseBack)
+void wxWindowDFB::DoRefreshWindow()
+{
+    // NB: DoRefreshRect() takes window coords, not client, so this is correct
+    DoRefreshRect(wxRect(GetSize()));
+}
+
+void wxWindowDFB::DoRefreshRect(const wxRect& rect)

 {
     wxWindow *parent = GetParent();
     wxCHECK_RET( parent, _T("no parent") );
 
 {
     wxWindow *parent = GetParent();
     wxCHECK_RET( parent, _T("no parent") );
 

+    // don't overlap outside of the window (NB: 'rect' is in window coords):
+    wxRect r(rect);
+    r.Intersect(wxRect(GetSize()));
+    if ( r.IsEmpty() )
+        return;
+
+    wxLogTrace(TRACE_PAINT,
+               _T("%p ('%s'): refresh rect [%i,%i,%i,%i]"),
+               this, GetName().c_str(),
+               rect.x, rect.y, rect.GetRight(), rect.GetBottom());
+

     // convert the refresh rectangle to parent's coordinates and
     // recursively refresh the parent:
     // convert the refresh rectangle to parent's coordinates and
     // recursively refresh the parent:

-    wxRect r(rect);

     r.Offset(GetPosition());
     r.Offset(parent->GetClientAreaOrigin());
 
     r.Offset(GetPosition());
     r.Offset(parent->GetClientAreaOrigin());
 

-    parent->DoRefreshRect(r, eraseBack);
+    // normal windows cannot extend out of its parent's client area, so don't
+    // refresh any hidden parts:
+    if ( !CanBeOutsideClientArea() )
+        r.Intersect(parent->GetClientRect());
+
+    parent->DoRefreshRect(r);

 }
 
 void wxWindowDFB::Update()
 }
 
 void wxWindowDFB::Update()


@@ -636,53 +720,69 @@ void wxWindowDFB::Thaw()
     if ( --m_frozenness == 0 )
     {
         if ( IsShown() )
     if ( --m_frozenness == 0 )
     {
         if ( IsShown() )

-            Refresh();
+            DoRefreshWindow();

     }
 }
 
     }
 }
 

-void wxWindowDFB::PaintWindow(const wxRect& rect, bool eraseBackground)
+void wxWindowDFB::PaintWindow(const wxRect& rect)

 {
 {

-    if ( IsFrozen() )
-        return; // don't paint anything if the window is frozen
+    wxCHECK_RET( !IsFrozen() && IsShown(), _T("shouldn't be called") );

 
     wxLogTrace(TRACE_PAINT,
 
     wxLogTrace(TRACE_PAINT,

-               _T("%p ('%s'): paiting region [x=%i,y=%i,w=%i,h=%i]"),
+               _T("%p ('%s'): painting region [%i,%i,%i,%i]"),

                this, GetName().c_str(),
                this, GetName().c_str(),

-               rect.x, rect.y, rect.width, rect.height);
+               rect.x, rect.y, rect.GetRight(), rect.GetBottom());

 
     m_updateRegion = rect;
 
     // FIXME_DFB: don't waste time rendering the area if it's fully covered
     //            by some children, go directly to rendering the children
 
 
     m_updateRegion = rect;
 
     // FIXME_DFB: don't waste time rendering the area if it's fully covered
     //            by some children, go directly to rendering the children
 

-#if wxUSE_CARET
-    // must hide caret temporarily, otherwise we'd get rendering artifacts
-    wxCaret *caret = GetCaret();
-    if ( caret )
-        caret->Hide();
-#endif // wxUSE_CARET
+    // NB: unconditionally send wxEraseEvent, because our implementation of
+    //     wxWindow::Refresh() ignores the eraseBack argument
+    wxWindowDC dc((wxWindow*)this);
+    wxEraseEvent eventEr(m_windowId, &dc);
+    eventEr.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(eventEr);
+
+    wxRect clientRect(GetClientRect());

 
 

-    if ( eraseBackground )
+    // only send wxNcPaintEvent if drawing at least part of nonclient area:
+    if ( !clientRect.Contains(rect) )
+    {
+        wxNcPaintEvent eventNc(GetId());
+        eventNc.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(eventNc);
+    }
+    else
+    {
+        wxLogTrace(TRACE_PAINT, _T("%p ('%s'): not sending wxNcPaintEvent"),
+                   this, GetName().c_str());
+    }
+
+    // only send wxPaintEvent if drawing at least part of client area:
+    if ( rect.Intersects(clientRect) )
+    {
+        wxPaintEvent eventPt(GetId());
+        eventPt.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(eventPt);
+    }
+    else

     {
     {

-        wxWindowDC dc((wxWindow*)this);
-        wxEraseEvent eventEr(m_windowId, &dc);
-        eventEr.SetEventObject(this);
-        GetEventHandler()->ProcessEvent(eventEr);
+        wxLogTrace(TRACE_PAINT, _T("%p ('%s'): not sending wxPaintEvent"),
+                   this, GetName().c_str());

     }
 
     }
 

-    wxNcPaintEvent eventNc(GetId());
-    eventNc.SetEventObject(this);
-    GetEventHandler()->ProcessEvent(eventNc);
+    // draw window's overlays on top of the painted window, if we have any:
+    PaintOverlays(rect);

 
 

-    wxPaintEvent eventPt(GetId());
-    eventPt.SetEventObject(this);
-    GetEventHandler()->ProcessEvent(eventPt);
+    m_updateRegion.Clear();

 
 

-#if wxUSE_CARET
-    if ( caret )
-        caret->Show();
-#endif // wxUSE_CARET
+    // client area portion of 'rect':
+    wxRect rectClientOnly(rect);
+    rectClientOnly.Intersect(clientRect);

 
 

+    // paint the children:

     wxPoint origin = GetClientAreaOrigin();
     wxWindowList& children = GetChildren();
     for ( wxWindowList::iterator i = children.begin();
     wxPoint origin = GetClientAreaOrigin();
     wxWindowList& children = GetChildren();
     for ( wxWindowList::iterator i = children.begin();


@@ -690,21 +790,79 @@ void wxWindowDFB::PaintWindow(const wxRect& rect, bool eraseBackground)
     {
         wxWindow *child = *i;
 
     {
         wxWindow *child = *i;
 

+        if ( child->IsFrozen() || !child->IsShown() )
+            continue; // don't paint anything if the window is frozen or hidden
+

         // compute child's area to repaint
         wxRect childrect(child->GetRect());
         childrect.Offset(origin);
         // compute child's area to repaint
         wxRect childrect(child->GetRect());
         childrect.Offset(origin);

-        childrect.Intersect(rect);
+
+        if ( child->CanBeOutsideClientArea() )
+            childrect.Intersect(rect);
+        else
+            childrect.Intersect(rectClientOnly);
+

         if ( childrect.IsEmpty() )
             continue;
 
         // and repaint it:
         if ( childrect.IsEmpty() )
             continue;
 
         // and repaint it:

-        wxPoint childpos(child->GetPosition());
-        childrect.Offset(-childpos.x, -childpos.y);
-        childrect.Offset(-origin.x, -origin.y);
-        child->PaintWindow(childrect, eraseBackground);
+        childrect.Offset(-child->GetPosition());
+        childrect.Offset(-origin);
+        child->PaintWindow(childrect);

     }
     }

+}

 
 

-    m_updateRegion.Clear();
+void wxWindowDFB::PaintOverlays(const wxRect& rect)
+{
+    if ( !m_overlays )
+        return;
+
+    for ( wxDfbOverlaysList::const_iterator i = m_overlays->begin();
+          i != m_overlays->end(); ++i )
+    {
+        wxOverlayImpl *overlay = *i;
+
+        wxRect orectOrig(overlay->GetRect());
+        wxRect orect(orectOrig);
+        orect.Intersect(rect);
+        if ( orect.IsEmpty() )
+            continue;
+
+        if ( overlay->IsEmpty() )
+            continue; // nothing to paint
+
+        DFBRectangle dfbRect = { orect.x - orectOrig.x, orect.y - orectOrig.y,
+                                 orect.width, orect.height };
+        GetDfbSurface()->Blit
+                         (
+                           overlay->GetDirectFBSurface(),
+                           &dfbRect,
+                           orect.x, orect.y
+                         );
+    }
+}
+
+void wxWindowDFB::AddOverlay(wxOverlayImpl *overlay)
+{
+    if ( !m_overlays )
+        m_overlays = new wxDfbOverlaysList;
+
+    m_overlays->Add(overlay);
+}
+
+void wxWindowDFB::RemoveOverlay(wxOverlayImpl *overlay)
+{
+    wxCHECK_RET( m_overlays, _T("no overlays to remove") );
+
+    m_overlays->Remove(overlay);
+
+    if ( m_overlays->empty() )
+    {
+        wxDELETE(m_overlays);
+    }
+
+    if ( !m_isBeingDeleted )
+        RefreshWindowRect(overlay->GetRect());

 }
 
 
 }
 
 


@@ -783,6 +941,11 @@ static long GetTranslatedKeyCode(DFBInputDeviceKeyIdentifier key_id)
         KEY(DIKI_CONTROL_R,         WXK_CONTROL);
         KEY(DIKI_ALT_L,             WXK_ALT);
         KEY(DIKI_ALT_R,             WXK_ALT);
         KEY(DIKI_CONTROL_R,         WXK_CONTROL);
         KEY(DIKI_ALT_L,             WXK_ALT);
         KEY(DIKI_ALT_R,             WXK_ALT);

+        // this key was removed in 0.9.25 but include it for previous versions
+        // just to avoid gcc warnings about unhandled enum value in switch
+#if !wxCHECK_DFB_VERSION(0, 9, 24)
+        KEY(DIKI_ALTGR,             0);
+#endif

         KEY(DIKI_META_L,            0);
         KEY(DIKI_META_R,            0);
         KEY(DIKI_SUPER_L,           0);
         KEY(DIKI_META_L,            0);
         KEY(DIKI_META_R,            0);
         KEY(DIKI_SUPER_L,           0);